The correct answer is chloroplast. If an organism has chloroplasts then it will be an autotroph because it will be able to make its own food by the means of photosynthesis. This is common for plants but there are some bacteria that can photosynthesize as well. If you don't have them you have to feed on other organisms that have energy for you.
B) An increase in the overall temperature of the Earth
B is the answer because global climate change is the increase of the overall temperature of the planet.
hope that helps :)
What is the question here? There’s multiple answers